Home / 8,148.88-11,241.60-5,316.34

Finding the Fourth Proportional to 8,148.88, 11,241.60 and 5,316.34

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Solution

The fourth proportional to 8,148.88, 11,241.60 and 5,316.34 is: 7,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.88 : 11,241.60 = 5,316.34 : x
  2. Step 2: Convert to fraction form
    8,148.88/11,241.60 = 5,316.34/x
  3. Step 3: Cross multiply
    8,148.88x = 11,241.60 × 5,316.34
  4. Step 4: Simplify right side
    8,148.88x = 59,764,167.74
  5. Step 5: Solve for x
    x = 59,764,167.74/8,148.88
  6. Step 6: Final answer
    x = 7,334.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.